ethernetadapterdlg.cpp

读取网卡物理地址

// EthernetAdapterDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EthernetAdapter.h"
#include "EthernetAdapterDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CEthernetAdapterDlg dialog

CEthernetAdapterDlg::CEthernetAdapterDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEthernetAdapterDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEthernetAdapterDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEthernetAdapterDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEthernetAdapterDlg)
	DDX_Control(pDX, IDC_COMBO_NETADPTER, m_combNetAdapter);
	DDX_Control(pDX, IDC_STATIC_MAC, m_staMAC);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEthernetAdapterDlg, CDialog)
	//{{AFX_MSG_MAP(CEthernetAdapterDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_CBN_SELCHANGE(IDC_COMBO_NETADPTER, OnSelChangeNetAdapter)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEthernetAdapterDlg message handlers

BOOL CEthernetAdapterDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	NCB ncb;
    UCHAR uRetCode;
    LANA_ENUM lana_enum;
	CString strInfo;
    memset( &ncb, 0, sizeof(ncb) );

    // 向网卡发送NCBENUM命令，以获取当前机器的网卡信息，如有多少个网卡、每张网卡的编号等 
	ncb.ncb_command = NCBENUM;
    ncb.ncb_buffer = (unsigned char *) &lana_enum;
    ncb.ncb_length = sizeof(lana_enum);
    uRetCode = Netbios( &ncb );

	// 初始化控件
    for(int k=0;k<lana_enum.length;k++)
	{
		strInfo.Format("%d",lana_enum.lana[k]);//k+1);
		m_combNetAdapter.InsertString(k,strInfo);
		m_combNetAdapter.SetItemData(k,lana_enum.lana[k]);
	}
    m_combNetAdapter.SetCurSel(0);

	// 对每一张网卡，以其网卡编号为输入编号，获取其MAC地址 
    for ( int i=0; i< lana_enum.length; ++i)
	{
		GetNetAdapterInfo(lana_enum.lana[i]);
		if(i==0)
		   m_staMAC.SetWindowText(m_strMAC);
	}
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CEthernetAdapterDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CEthernetAdapterDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

// 得到指定编号网卡的MAC地址
void CEthernetAdapterDlg::GetNetAdapterInfo(int lana_num)
{
	 NCB ncb;
	 UCHAR uRetCode;

	 // 首先对选定的网卡发送一个NCBRESET命令，以便进行初始化 
	 memset( &ncb, 0, sizeof(ncb) );
	 ncb.ncb_command = NCBRESET;
	 ncb.ncb_lana_num = lana_num;   // 指定网卡编号       
	 uRetCode = Netbios( &ncb );
   
	 // 接着，可以发送NCBASTAT命令以获取网卡的信息 
	 memset( &ncb, 0, sizeof(ncb) );
	 ncb.ncb_command = NCBASTAT;
	 ncb.ncb_lana_num = lana_num;  // 指定网卡号
     strcpy( (char *)ncb.ncb_callname, "* " );
     ncb.ncb_buffer = (unsigned char *) &m_NetAdapterInfo;
     // 指定返回的信息存放的变量 
     ncb.ncb_length = sizeof(m_NetAdapterInfo);    
     uRetCode = Netbios( &ncb );  
	 
	 if ( uRetCode == 0 )
	 {
         // 把网卡MAC地址格式化成常用的16进制形式，如0010-A4E4-5802 
         m_strMAC.Format("%02X-%02X-%02X-%02X-%02X-%02X",        
                        m_NetAdapterInfo.adapt.adapter_address[0],
                        m_NetAdapterInfo.adapt.adapter_address[1],
                        m_NetAdapterInfo.adapt.adapter_address[2],
                        m_NetAdapterInfo.adapt.adapter_address[3],
                        m_NetAdapterInfo.adapt.adapter_address[4],
                        m_NetAdapterInfo.adapt.adapter_address[5] );
	 }
}

void CEthernetAdapterDlg::OnSelChangeNetAdapter() 
{
	int nCurNetAdapter=m_combNetAdapter.GetItemData(m_combNetAdapter.GetCurSel());	
	GetNetAdapterInfo( nCurNetAdapter);
	m_staMAC.SetWindowText(m_strMAC);
}